
Professional exterior cleaning services for homes and businesses in Adams, Friendship, Grand Marsh, and surrounding Adams County communities.
Call for a free quote today!
Adams County is quiet in a way that most of Wisconsin isn't anymore. The sandy terrain between Petenwell and Castle Rock draws people who want a cabin on the water, a property they can pass down, or just some distance from the city. A lot of those properties don't get looked at closely until someone's about to list them, rent them out for the summer, or host family for a week. That's usually when they notice the black streaks across the roof, the green film working its way up the siding, or a deck that looks like it's been sitting in a swamp. It has, in a way. The flat, sandy lakebed terrain that defines Adams County holds moisture differently than higher ground.
Properties near Lake Petenwell, Castle Rock Lake, or along any of the county's marsh corridors deal with accelerated algae growth because the humidity doesn't move the way it does in a more open landscape. North-facing siding and shaded roofs are the first places you'll see it, and once it gets established, it spreads faster each season.
Gunderson Soft Wash serves homeowners, cabin owners, and commercial property operators throughout Adams County. Whether your property is a year-round home in Friendship, a seasonal rental near the flowage, or a storefront along Highway 13 in Adams, we bring the same equipment and the same cleaning solutions we use across all of central Wisconsin. Free quote, 24-hour response, flexible scheduling that works around guests and turnovers.

Exterior Cleaning Services in Adams, WI
We offer a complete range of exterior cleaning services for Adams residential homes, cabins, vacation rentals as well as bars, gas stations, dealerships and other commercial properties.
Call for a free quote today!
Our signature low-pressure soft wash safely removes algae, mold, mildew, and bacteria from siding, stucco, fences, and other delicate surfaces — without risk of damage from high-pressure water.
High-pressure cleaning for concrete driveways, sidewalks, patios, and hard surfaces. We remove embedded oil stains, dirt, and organic buildup that years of weather have packed into the surface.
Black streaks on your roof are Gloeocapsa magma bacteria (not dirt). Pressure washing can void your shingle warranty. Our soft wash roof cleaning eliminates staining, moss, and lichen safely and completely.
Oil stains, tire marks, algae, and years of embedded grime don't stand a chance against our commercial pressure washing equipment. We restore concrete and asphalt driveways to like-new condition.
Wisconsin's freeze-thaw cycles and humid summers accelerate mold and algae on decks. We match pressure and cleaning solutions to your deck material (wood or composite) leaving it clean and ready for staining or sealing.
First impressions matter for your business. We provide commercial building washing, storefront cleaning, and parking lot pressure washing for Adams businesses of all sizes (scheduled around your hours to minimize disruption).
1 (608) 548-1975 | Call for a free quote today!
We assess every surface before we start. Roofs and siding get soft washing; concrete and hard surfaces get pressure washing. The right method protects your property and gets better results.
Our cleaning agents are environmentally responsible (safe for your landscaping, pets, and family). We don't compromise on cleaning power to get there.
Soft washing kills organic growth at the biological level rather than just rinsing it away. Your surfaces stay cleaner far longer than with pressure washing alone.
We carry full liability insurance on every job. You can book with confidence knowing your property is protected throughout the entire cleaning process.
Adams County sits in the heart of central Wisconsin between Wisconsin Rapids and Wisconsin Dells, and it is home to two of the state's most significant bodies of water: Lake Petenwell (Wisconsin's second largest) and Castle Rock Lake (the fourth largest), both part of the Wisconsin River Flowage system. The county's terrain is flat, sandy, and extensively wetland-marked — a landscape shaped by Glacial Lake Wisconsin, whose ancient lakebed now forms the mosaic of dry ridges, marshes, and trout streams that define the Adams County experience.
That sandy, moisture-retaining terrain and the extensive wetlands and lake shoreline throughout Adams County create conditions where exterior surfaces — roofs, siding, and wood decks — experience elevated exposure to algae and mold. Properties near Lake Petenwell, Castle Rock Lake, or along any of the county's numerous trout streams are especially prone to organic growth on north-facing or shaded surfaces. We address these conditions throughout the Adams-Friendship area with professional soft washing that delivers lasting results.
For commercial property owners in Adams County — whether in the City of Adams, the Village of Friendship (the county seat), or along Highway 13 — exterior maintenance contributes to the community's appeal as a recreation destination and supports local business. We serve commercial clients alongside residential homeowners throughout Adams County.